Add a persistent view size attribute to List

[libs/gltk.git] / source / dropdown.cpp

diff --git a/source/dropdown.cpp b/source/dropdown.cpp
index fcf35babdf132234476f9989eeac7c37a83a583e..ce0ba71f642c45ca7f672e4bf8e80f78d8fb60ed 100644 (file)
--- a/source/dropdown.cpp
+++ b/source/dropdown.cpp
@@ -28,6 +28,7 @@ void Dropdown::init()
        dropped = false;
 
        add(list);
+       list.set_view_all();
        list.signal_item_selected.connect(sigc::mem_fun(this, &Dropdown::list_item_selected));
        list.signal_autosize_changed.connect(sigc::mem_fun(this, &Dropdown::list_autosize_changed));
 }
@@ -38,7 +39,7 @@ void Dropdown::autosize()
                return;
 
        Widget::autosize();
-       list.autosize_all();
+       list.autosize();
        geom.w = max(geom.w, list.get_geometry().w);
 
        if(const Part *text_part = style->get_part("text"))
@@ -63,16 +64,19 @@ void Dropdown::autosize()
        rebuild();
 }
 
-void Dropdown::rebuild_special(const Part &part, CachedPart &cache)
+void Dropdown::set_selected_index(int index)
+{
+       list.set_selected_index(index);
+       if(index<0)
+               text.set(string());
+}
+
+void Dropdown::rebuild_special(const Part &part)
 {
        if(part.get_name()=="text")
-       {
-               int sel = list.get_selected_index();
-               if(sel>=0)
-                       Text(*style, list.get_data().get_string(sel)).build(part, geom, cache);
-               else
-                       cache.texture = 0;
-       }
+               text.build(part, geom, part_cache);
+       else
+               Widget::rebuild_special(part);
 }
 
 void Dropdown::render_special(const Part &part, GL::Renderer &renderer) const
@@ -108,6 +112,7 @@ void Dropdown::on_geometry_change()
 
 void Dropdown::on_style_change()
 {
+       text.set_style(style);
        resize_list();
 }
 
@@ -119,7 +124,7 @@ void Dropdown::list_autosize_changed()
 
 void Dropdown::resize_list()
 {
-       list.autosize_all();
+       list.autosize();
        Geometry lgeom = list.get_geometry();
        lgeom.x = 0;
        lgeom.y = -lgeom.h;
@@ -156,20 +161,22 @@ void Dropdown::list_item_selected(unsigned index)
                signal_ungrab_pointer.emit();
        }
 
+       text.set(list.get_data().get_string(index));
+
        signal_item_selected.emit(index);
        rebuild();
 }
 
 
 Dropdown::Loader::Loader(Dropdown &d):
-       Widget::Loader(d)
+       DataFile::DerivedObjectLoader<Dropdown, Widget::Loader>(d)
 {
        add("item", &Loader::item);
 }
 
 void Dropdown::Loader::item(const string &v)
 {
-       dynamic_cast<BasicListData<string> &>(dynamic_cast<Dropdown &>(obj).list.get_data()).append(v);
+       dynamic_cast<BasicListData<string> &>(obj.list.get_data()).append(v);
 }
 
 } // namespace GLtk